Site Reliability Engineer (SRE)

Chicago, Hong Kong, London, Shanghai, Sydney

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Job Description

Role Summary
At Citadel Securities, a leading global market maker, our team of SREs work very closely with our trading, quantitative, business, and software engineering teams to support and enhance our core trading applications with cutting edge technology.
Opportunities available in Chicago, New York, London, Dublin, Hong Kong, Singapore, Sydney, Shanghai.
Objectives
  • Manage the configuration of multiple production silos, covering multiple asset classes
  • Improve uptime, capacity, and performance of trading systems
  • Diagnose and resolve critical production issues, managing incident tracking, analysis and reporting
  • Work with development and QA teams in regression testing functionality and stress testing application servers
  • Build automation and processes that reduce the impact of mistakes and eliminate recurring incidents
  • Revise software designs to mitigate failures in other parts of the stack
  • Contribute to service quality by participating in product development from idea and inception
  • Manage critical and direct communication lines with traders, business managers, and development leads on all aspects of projects
Skills and Preferred Qualifications
  • Significant experience in UNIX/Linux and troubleshooting network connectivity problems
  • Experience in developing in a high-level scripting or object-oriented programming language such as Python
  • Experience in writing SQL database queries in MS SQL Server or other common SQL database platforms
  • Exposure to CI/CD, SDLC, testing methodologies and test tools
  • Proven experience in building, deploying and supporting large-scale, distributed applications
  • Knowledge of trading systems and applications, including order management systems and FIX engines
  • Prior experience in supporting a trading desk
  • Solid communication and interpersonal skills

About Citadel Securities

Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market’s most critical challenges, turning big ideas into real-world outcomes.